difference between rdbms and dbms?

Answer 1

r stands for relational, rdbms is a subset of dbms

Answer 2

A DBMS has to be persistent, that is it should be accessible when the program created the data ceases to exist or even the application that created the data restarted. A DBMS also has to provide some uniform methods independent of a specific application for accessing the information that is stored.

RDBMS is a Relational Data Base Management System Relational DBMS. This adds the additional condition that the system supports a tabular structure for the data, with enforced relationships between the tables. This excludes the databases that don't support a tabular structure or don't enforce relationships between tables.

Many DBA's think that RDBMS is a Client Server Database system but thats not the case with RDBMS.

Yes you can say DBMS does not impose any constraints or security with regard to data manipulation it is user or the programmer responsibility to ensure the ACID PROPERTY of the database whereas the rdbms is more with this regard bcz rdbms difine the integrity constraint for the purpose of holding ACID PROPERTY.

chk out more:
http://wiki.answers.com/Q/What_is_the_difference_between_DBMS_and_RDBMS
http://expertanswercenter.techtarget.com/eac/knowledgebaseAnswer/0,295199,sid63_gci976464,00.html

Answer 3

Once upon a time.. there were hierarchical databases. Now, only relational are used. DBMS covered both, RDBMS only the relational ones.

Answer 4

The two terms are used interchangeably.

RDBMS = Relational Data Base Management System
DBMS = Data Base Management System

Any DBMS is "relational" these days, so the two are used interchangeably.

Answer 5

R stands for the relational Model. A database management system does not need to be relational. It can be flat, hierarchical, or network model.

For more info on each of the above models check
http://en.wikipedia.org/wiki/Database